*{
    padding: 0;
    margin: 0;
}
html,body{
    width: 100%;
    height: 100%;
    font-size: 12px;
    color: #333;
}

body{
    background-color: #f4f4f4;
}

ul{
    list-style: none;
}
a{
    text-decoration: none;
}

.w{
    width: 1190px;
    margin: 0 auto;
}

.flex{
    display: flex;
}

.relative{position: relative;}
